A cart travels 5 m in 1 s, then 5 m again in 2 s, then another 5 m in the third second. The acceleration of the cart is
A. 10 m/s2.
B. 0 m/s2.
C. more than 10 m/s2.
D. 5 m/s2.
Answer: B
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Which of the following is a principle to interpret relative ages?
a) The youngest rock is on the bottom b) a geologic feature is older than any rock or feature it crosscuts c) a younger rock can include pieces of an older rock d) an older magma can bake or metamorphose younger rocks
For what purposes do you think this harvested water could be used? What will be an ideal response?
The greatest volume of magma is produced at ________
A) transform plate boundaries B) hot spots C) convergent plate boundaries D) divergent plate boundaries
The large ocean gyres are characterized by ________.
A. greater current velocities inwards B. ekman transport driving water outwards C. gravity-driven transport driving water inwards D. lower sea levels inwards than outwards E. higher salinities inwards